問題詳情
15. 如圖，數線上有相異的三點 A、B、C，由左至右分別代表 3x－15 三個數，其中 B 點較靠近 C 點，如果 x 為一個正整數，則 x 比較可能是下列何數？
(A) 3
(B) 4
(C) 5
(D) 6。
參考答案
答案：C
難度：計算中-1
書單：沒有書單，新增
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